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Gary F. Gentry
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Bakersfield, CA, US
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Patent Grant
Method of making lengths of flexible insulated air duct with end co...
Patent number
4,400,228
Issue date
Aug 23, 1983
Owens-Corning Fiberglas Corporation
Gary F. Gentry
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL